#include "ops.h"
#include "ipc3-ops.h"
-typedef void (*ipc_rx_callback)(struct snd_sof_dev *sdev, void *msg_buf);
-
-static void ipc_trace_message(struct snd_sof_dev *sdev, void *msg_buf);
-static void ipc_stream_message(struct snd_sof_dev *sdev, void *msg_buf);
-
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC)
-static void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
-{
- u8 *str;
- u8 *str2 = NULL;
- u32 glb;
- u32 type;
- bool vdbg = false;
-
- glb = cmd & SOF_GLB_TYPE_MASK;
- type = cmd & SOF_CMD_TYPE_MASK;
-
- switch (glb) {
- case SOF_IPC_GLB_REPLY:
- str = "GLB_REPLY"; break;
- case SOF_IPC_GLB_COMPOUND:
- str = "GLB_COMPOUND"; break;
- case SOF_IPC_GLB_TPLG_MSG:
- str = "GLB_TPLG_MSG";
- switch (type) {
- case SOF_IPC_TPLG_COMP_NEW:
- str2 = "COMP_NEW"; break;
- case SOF_IPC_TPLG_COMP_FREE:
- str2 = "COMP_FREE"; break;
- case SOF_IPC_TPLG_COMP_CONNECT:
- str2 = "COMP_CONNECT"; break;
- case SOF_IPC_TPLG_PIPE_NEW:
- str2 = "PIPE_NEW"; break;
- case SOF_IPC_TPLG_PIPE_FREE:
- str2 = "PIPE_FREE"; break;
- case SOF_IPC_TPLG_PIPE_CONNECT:
- str2 = "PIPE_CONNECT"; break;
- case SOF_IPC_TPLG_PIPE_COMPLETE:
- str2 = "PIPE_COMPLETE"; break;
- case SOF_IPC_TPLG_BUFFER_NEW:
- str2 = "BUFFER_NEW"; break;
- case SOF_IPC_TPLG_BUFFER_FREE:
- str2 = "BUFFER_FREE"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_GLB_PM_MSG:
- str = "GLB_PM_MSG";
- switch (type) {
- case SOF_IPC_PM_CTX_SAVE:
- str2 = "CTX_SAVE"; break;
- case SOF_IPC_PM_CTX_RESTORE:
- str2 = "CTX_RESTORE"; break;
- case SOF_IPC_PM_CTX_SIZE:
- str2 = "CTX_SIZE"; break;
- case SOF_IPC_PM_CLK_SET:
- str2 = "CLK_SET"; break;
- case SOF_IPC_PM_CLK_GET:
- str2 = "CLK_GET"; break;
- case SOF_IPC_PM_CLK_REQ:
- str2 = "CLK_REQ"; break;
- case SOF_IPC_PM_CORE_ENABLE:
- str2 = "CORE_ENABLE"; break;
- case SOF_IPC_PM_GATE:
- str2 = "GATE"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_GLB_COMP_MSG:
- str = "GLB_COMP_MSG";
- switch (type) {
- case SOF_IPC_COMP_SET_VALUE:
- str2 = "SET_VALUE"; break;
- case SOF_IPC_COMP_GET_VALUE:
- str2 = "GET_VALUE"; break;
- case SOF_IPC_COMP_SET_DATA:
- str2 = "SET_DATA"; break;
- case SOF_IPC_COMP_GET_DATA:
- str2 = "GET_DATA"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_GLB_STREAM_MSG:
- str = "GLB_STREAM_MSG";
- switch (type) {
- case SOF_IPC_STREAM_PCM_PARAMS:
- str2 = "PCM_PARAMS"; break;
- case SOF_IPC_STREAM_PCM_PARAMS_REPLY:
- str2 = "PCM_REPLY"; break;
- case SOF_IPC_STREAM_PCM_FREE:
- str2 = "PCM_FREE"; break;
- case SOF_IPC_STREAM_TRIG_START:
- str2 = "TRIG_START"; break;
- case SOF_IPC_STREAM_TRIG_STOP:
- str2 = "TRIG_STOP"; break;
- case SOF_IPC_STREAM_TRIG_PAUSE:
- str2 = "TRIG_PAUSE"; break;
- case SOF_IPC_STREAM_TRIG_RELEASE:
- str2 = "TRIG_RELEASE"; break;
- case SOF_IPC_STREAM_TRIG_DRAIN:
- str2 = "TRIG_DRAIN"; break;
- case SOF_IPC_STREAM_TRIG_XRUN:
- str2 = "TRIG_XRUN"; break;
- case SOF_IPC_STREAM_POSITION:
- vdbg = true;
- str2 = "POSITION"; break;
- case SOF_IPC_STREAM_VORBIS_PARAMS:
- str2 = "VORBIS_PARAMS"; break;
- case SOF_IPC_STREAM_VORBIS_FREE:
- str2 = "VORBIS_FREE"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_FW_READY:
- str = "FW_READY"; break;
- case SOF_IPC_GLB_DAI_MSG:
- str = "GLB_DAI_MSG";
- switch (type) {
- case SOF_IPC_DAI_CONFIG:
- str2 = "CONFIG"; break;
- case SOF_IPC_DAI_LOOPBACK:
- str2 = "LOOPBACK"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_GLB_TRACE_MSG:
- str = "GLB_TRACE_MSG";
- switch (type) {
- case SOF_IPC_TRACE_DMA_PARAMS:
- str2 = "DMA_PARAMS"; break;
- case SOF_IPC_TRACE_DMA_POSITION:
- str2 = "DMA_POSITION"; break;
- case SOF_IPC_TRACE_DMA_PARAMS_EXT:
- str2 = "DMA_PARAMS_EXT"; break;
- case SOF_IPC_TRACE_FILTER_UPDATE:
- str2 = "FILTER_UPDATE"; break;
- case SOF_IPC_TRACE_DMA_FREE:
- str2 = "DMA_FREE"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_GLB_TEST_MSG:
- str = "GLB_TEST_MSG";
- switch (type) {
- case SOF_IPC_TEST_IPC_FLOOD:
- str2 = "IPC_FLOOD"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_GLB_DEBUG:
- str = "GLB_DEBUG";
- switch (type) {
- case SOF_IPC_DEBUG_MEM_USAGE:
- str2 = "MEM_USAGE"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- case SOF_IPC_GLB_PROBE:
- str = "GLB_PROBE";
- switch (type) {
- case SOF_IPC_PROBE_INIT:
- str2 = "INIT"; break;
- case SOF_IPC_PROBE_DEINIT:
- str2 = "DEINIT"; break;
- case SOF_IPC_PROBE_DMA_ADD:
- str2 = "DMA_ADD"; break;
- case SOF_IPC_PROBE_DMA_INFO:
- str2 = "DMA_INFO"; break;
- case SOF_IPC_PROBE_DMA_REMOVE:
- str2 = "DMA_REMOVE"; break;
- case SOF_IPC_PROBE_POINT_ADD:
- str2 = "POINT_ADD"; break;
- case SOF_IPC_PROBE_POINT_INFO:
- str2 = "POINT_INFO"; break;
- case SOF_IPC_PROBE_POINT_REMOVE:
- str2 = "POINT_REMOVE"; break;
- default:
- str2 = "unknown type"; break;
- }
- break;
- default:
- str = "unknown GLB command"; break;
- }
-
- if (str2) {
- if (vdbg)
- dev_vdbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2);
- else
- dev_dbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2);
- } else {
- dev_dbg(dev, "%s: 0x%x: %s\n", text, cmd, str);
- }
-}
-#else
-static inline void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
-{
- if ((cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_TRACE_MSG)
- dev_dbg(dev, "%s: 0x%x\n", text, cmd);
-}
-#endif
-
/**
* sof_ipc_send_msg - generic function to prepare and send one IPC message
* @sdev: pointer to SOF core device struct
}
EXPORT_SYMBOL(snd_sof_ipc_reply);
-static void ipc_comp_notification(struct snd_sof_dev *sdev, void *msg_buf)
-{
- const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
- struct sof_ipc_cmd_hdr *hdr = msg_buf;
- u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
-
- switch (msg_type) {
- case SOF_IPC_COMP_GET_VALUE:
- case SOF_IPC_COMP_GET_DATA:
- break;
- default:
- dev_err(sdev->dev, "error: unhandled component message %#x\n", msg_type);
- return;
- }
-
- if (tplg_ops->control->update)
- tplg_ops->control->update(sdev, msg_buf);
-}
-
-/* DSP firmware has sent host a message */
-void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev)
-{
- ipc_rx_callback rx_callback = NULL;
- struct sof_ipc_cmd_hdr hdr;
- void *msg_buf;
- u32 cmd;
- int err;
-
- /* read back header */
- err = snd_sof_ipc_msg_data(sdev, NULL, &hdr, sizeof(hdr));
- if (err < 0) {
- dev_warn(sdev->dev, "failed to read IPC header: %d\n", err);
- return;
- }
-
- if (hdr.size < sizeof(hdr)) {
- dev_err(sdev->dev, "The received message size is invalid\n");
- return;
- }
-
- ipc_log_header(sdev->dev, "ipc rx", hdr.cmd);
-
- cmd = hdr.cmd & SOF_GLB_TYPE_MASK;
-
- /* check message type */
- switch (cmd) {
- case SOF_IPC_GLB_REPLY:
- dev_err(sdev->dev, "error: ipc reply unknown\n");
- break;
- case SOF_IPC_FW_READY:
- /* check for FW boot completion */
- if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
- err = sof_ops(sdev)->fw_ready(sdev, cmd);
- if (err < 0)
- sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED);
- else
- sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK);
-
- /* wake up firmware loader */
- wake_up(&sdev->boot_wait);
- }
- break;
- case SOF_IPC_GLB_COMPOUND:
- case SOF_IPC_GLB_TPLG_MSG:
- case SOF_IPC_GLB_PM_MSG:
- break;
- case SOF_IPC_GLB_COMP_MSG:
- rx_callback = ipc_comp_notification;
- break;
- case SOF_IPC_GLB_STREAM_MSG:
- rx_callback = ipc_stream_message;
- break;
- case SOF_IPC_GLB_TRACE_MSG:
- rx_callback = ipc_trace_message;
- break;
- default:
- dev_err(sdev->dev, "%s: Unknown DSP message: 0x%x\n", __func__, cmd);
- break;
- }
-
- /* read the full message */
- msg_buf = kmalloc(hdr.size, GFP_KERNEL);
- if (!msg_buf)
- return;
-
- err = snd_sof_ipc_msg_data(sdev, NULL, msg_buf, hdr.size);
- if (err < 0) {
- dev_err(sdev->dev, "%s: Failed to read message: %d\n", __func__, err);
- } else {
- /* Call local handler for the message */
- if (rx_callback)
- rx_callback(sdev, msg_buf);
-
- /* Notify registered clients */
- sof_client_ipc_rx_dispatcher(sdev, msg_buf);
- }
-
- kfree(msg_buf);
-
- ipc_log_header(sdev->dev, "ipc rx done", hdr.cmd);
-}
-EXPORT_SYMBOL(snd_sof_ipc_msgs_rx);
-
-/*
- * IPC trace mechanism.
- */
-
-static void ipc_trace_message(struct snd_sof_dev *sdev, void *msg_buf)
-{
- struct sof_ipc_cmd_hdr *hdr = msg_buf;
- u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
-
- switch (msg_type) {
- case SOF_IPC_TRACE_DMA_POSITION:
- snd_sof_trace_update_pos(sdev, msg_buf);
- break;
- default:
- dev_err(sdev->dev, "error: unhandled trace message %#x\n", msg_type);
- break;
- }
-}
-
-/*
- * IPC stream position.
- */
-
-static void ipc_period_elapsed(struct snd_sof_dev *sdev, u32 msg_id)
-{
- struct snd_soc_component *scomp = sdev->component;
- struct snd_sof_pcm_stream *stream;
- struct sof_ipc_stream_posn posn;
- struct snd_sof_pcm *spcm;
- int direction, ret;
-
- spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
- if (!spcm) {
- dev_err(sdev->dev,
- "error: period elapsed for unknown stream, msg_id %d\n",
- msg_id);
- return;
- }
-
- stream = &spcm->stream[direction];
- ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
- if (ret < 0) {
- dev_warn(sdev->dev, "failed to read stream position: %d\n", ret);
- return;
- }
-
- dev_vdbg(sdev->dev, "posn : host 0x%llx dai 0x%llx wall 0x%llx\n",
- posn.host_posn, posn.dai_posn, posn.wallclock);
-
- memcpy(&stream->posn, &posn, sizeof(posn));
-
- if (spcm->pcm.compress)
- snd_sof_compr_fragment_elapsed(stream->cstream);
- else if (stream->substream->runtime &&
- !stream->substream->runtime->no_period_wakeup)
- /* only inform ALSA for period_wakeup mode */
- snd_sof_pcm_period_elapsed(stream->substream);
-}
-
-/* DSP notifies host of an XRUN within FW */
-static void ipc_xrun(struct snd_sof_dev *sdev, u32 msg_id)
-{
- struct snd_soc_component *scomp = sdev->component;
- struct snd_sof_pcm_stream *stream;
- struct sof_ipc_stream_posn posn;
- struct snd_sof_pcm *spcm;
- int direction, ret;
-
- spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
- if (!spcm) {
- dev_err(sdev->dev, "error: XRUN for unknown stream, msg_id %d\n",
- msg_id);
- return;
- }
-
- stream = &spcm->stream[direction];
- ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
- if (ret < 0) {
- dev_warn(sdev->dev, "failed to read overrun position: %d\n", ret);
- return;
- }
-
- dev_dbg(sdev->dev, "posn XRUN: host %llx comp %d size %d\n",
- posn.host_posn, posn.xrun_comp_id, posn.xrun_size);
-
-#if defined(CONFIG_SND_SOC_SOF_DEBUG_XRUN_STOP)
- /* stop PCM on XRUN - used for pipeline debug */
- memcpy(&stream->posn, &posn, sizeof(posn));
- snd_pcm_stop_xrun(stream->substream);
-#endif
-}
-
-/* stream notifications from DSP FW */
-static void ipc_stream_message(struct snd_sof_dev *sdev, void *msg_buf)
-{
- struct sof_ipc_cmd_hdr *hdr = msg_buf;
- u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
- u32 msg_id = SOF_IPC_MESSAGE_ID(hdr->cmd);
-
- switch (msg_type) {
- case SOF_IPC_STREAM_POSITION:
- ipc_period_elapsed(sdev, msg_id);
- break;
- case SOF_IPC_STREAM_TRIG_XRUN:
- ipc_xrun(sdev, msg_id);
- break;
- default:
- dev_err(sdev->dev, "error: unhandled stream message %#x\n",
- msg_id);
- break;
- }
-}
-
-/* get stream position IPC - use faster MMIO method if available on platform */
-int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
- struct snd_sof_pcm *spcm, int direction,
- struct sof_ipc_stream_posn *posn)
-{
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct sof_ipc_stream stream;
- int err;
-
- /* read position via slower IPC */
- stream.hdr.size = sizeof(stream);
- stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_POSITION;
- stream.comp_id = spcm->stream[direction].comp_id;
-
- /* send IPC to the DSP */
- err = sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), posn,
- sizeof(*posn));
- if (err < 0) {
- dev_err(sdev->dev, "error: failed to get stream %d position\n",
- stream.comp_id);
- return err;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(snd_sof_ipc_stream_posn);
-
/*
* IPC get()/set() for kcontrols.
*/
OSDN Git Service
